Isabel Turner is the secondary antagonist of the 2008 film "Poison Ivy: The Secret Society".
She was portrayed by Crystal Lowe.
Isabel is the second in command of The Ivies. She is present throughout most of the film. Always seen with her best friend and leader Azalea. She first appears at the beginning reading off the names of the girls arriving. She and The Ivies mock Daisy when she arrives. Isabel is also present when the girls burn down Blake's car. During the end when Daisy and Azalea fight, Isabel feels that Azalea has gone too far and goes to get help.